Company Profile

Headquarters3-2-10 Nihonbashi-Honcho, Chuo-ku, Tokyo 103-0023 Japan
[TEL] +81-3-3241-2572  [FAX] +81-3-3270-2444
Sales Department
(Kanda 2nd Building)
Iwamotocho, Chiyoda-ku, Tokyo 101-0032 Japan
Sales BranchTsukuba, Tama, Mishima, Kawasaki, Kashiwa
Distribution Center
(Kanda Building)
Iwamotocho, Chiyoda-ku, Tokyo 101-0032 Japan
OfficerChairman: Masao Iwai
President&CEO: Yoshiko Iwai
Vice-President: Yoichi Hayashi
Director: Kazuo Kita
Director: Jun Iwai
Director: Hideki Maruyama
Auditor: Yasunori Ishihara
EstablishmentApril 26th, 1947
CapitalJPY 20 million
Corporate Number8010001036745
SalesJPY 17.7 billion (in 2023 fiscal year)
Employees203 persons (as of April 1, 2024)
Related CompanyIwai North America Inc.
Chondrex, Inc.
Iwai Contract Warehouse Company Ltd.
Bank References MUFG Bank, Ltd.
Mizuho Bank, Ltd.
Sumitomo Mitsui Banking Corporation.
Business Purposes1.Import, export and resale of biological, chemical and industrial reagents
2.Import and resale of lab equipments
3.Resale of pharmaceutical flavors, dyes, medical devices and consumables
4.Worker dispatch
5.Paid labor intermediary service
6.All transactions and business associated with the above items
CustomersDaiichi Sankyo Co., Ltd.
Chugai Pharmaceutical Co., Ltd.
Astellas Pharma Inc.
Eisai Co., Ltd.
National Cancer Center Japan
National Institute of Health Sciences
National Institute of Infectious Diseases
The University of Tokyo
Keio University
Tokyo Women's Medical University
LSI Medience Corporation

Chart Organization



1947Iwai Chemicals Company Ltd. is established in Nihonbashi-honcho, Chuo City, Tokyo
1948 Iwamotocho Factory and Warehouse are established in Chiyoda City, Tokyo
1963Constructed Iwamotocho Factory building
1969Constructed Matsunoki Warehouse and Employee Dormitory in Suginami City, Tokyo
1973Constructed and moved into New Headquarter
1978Computerized merchandise control is established
1982Tsukuba Branch is established in Tsukuba Science City, Ibaraki Pref.
1984Distribution Office is established in the Headquarter
1985Computers are installed in the Headquarter
1985Technical, Marketing and Planning Division are established
1986Purchasing and Distribution Division expanded
1988Tama Branch is established in Kunitachi City, Tokyo
1989Mishima Branch is established in Shizuoka Pref.
1990Constructed New Distribution Center in Iwamotocho, Chiyoda City
1992Yokohama Branch is established in Yokohama City
1995Tsukuba Branch relocated to Tokodai, Tsukuba City.
1998Constructed Kanda 2nd Building in Iwamotocho
1998Started partnership with Chondrex, Inc.
2000Iwai USA Inc. is established in San Jose, CA
2000Iwai USA Inc. became the majority shareholder of Chondrex, Inc.
2002Sales department is centralized in Kanda 2nd Building
2004Kashiwa Branch is established in Kashiwa City, Chiba Pref.
2006Iwai North America Inc. is established in Burlingame, CA
2008Iwai USA Inc. merged out to Iwai North America Inc.
2013Tama Branch relocated to Tachikawa City, Tokyo
2021Yokohama Branch relocated to Kawasaki City, Kanagawa and established as Kawasaki Branch